21008214576
21,008,214,576 is an even composite number composed of five prime numbers multiplied together.
21008214576 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred seventy divisors.
Prime factorization of 21008214576:
24 × 32 × 172 × 19 × 1632
(2 × 2 × 2 × 2 × 3 × 3 × 17 × 17 × 19 × 163 × 163)See below for interesting mathematical facts about the number 21008214576 from the Numbermatics database.
Names of 21008214576
- Cardinal: 21008214576 can be written as Twenty-one billion, eight million, two hundred fourteen thousand, five hundred seventy-six.
Scientific notation
- Scientific notation: 2.1008214576 × 1010
Factors of 21008214576
Divisors of 21008214576
- Number of divisors d(n): 270
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 17 18 19 24 34 36 38 48 51 57 68 72 76 102 114 136 144 152 153 163 171 204 228 272 289 304 306 323 326 342 408 456 489 578 612 646 652 684 816 867 912 969 978 1156 1224 1292 1304 1368 1467 1734 1938 1956 2312 2448 2584 2601 2608 2736 2771 2907 2934 3097 3468 3876 3912 4624 5168 5202 5491 5542 5814 5868 6194 6936 7752 7824 8313 9291 10404 10982 11084 11628 11736 12388 13872 15504 16473 16626 18582 20808 21964 22168 23256 23472 24776 24939 26569 27873 32946 33252 37164 41616 43928 44336 46512 47107 49419 49552 49878 52649 53138 55746 65892 66504 74328 79707 87856 94214 98838 99756 105298 106276 111492 131784 133008 141321 148656 157947 159414 188428 197676 199512 210596 212552 222984 239121 263568 282642 315894 318828 376856 395352 399024 421192 423963 425104 445968 451673 473841 478242 504811 565284 631788 637656 753712 790704 842384 847926 895033 903346 947682 956484 1009622 1130568 1263576 1275312 1355019 1514433 1695852 1790066 1806692 1895364 1912968 2019244 2261136 2527152 2685099 2710038 3028866 3391704 3580132 3613384 3790728 3825936 4038488 4065057 4543299 5370198 5420076 6057732 6783408 7160264 7226768 7581456 7678441 8055297 8076976 8130114 8581787 9086598 10740396 10840152 12115464 14320528 15356882 16110594 16260228 17163574 18173196 21480792 21680304 23035323 24230928 25745361 30713764 32221188 32520456 34327148 36346392 42961584 46070646 51490722 61427528 64442376 65040912 68654296 69105969 72692784 77236083 92141292 102981444 122855056 128884752 137308592 138211938 145890379 154472166 184282584 205962888 276423876 291780758 308944332 368565168 411925776 437671137 552847752 583561516 617888664 875342274 1105695504 1167123032 1235777328 1313013411 1750684548 2334246064 2626026822 3501369096 5252053644 7002738192 10504107288 21008214576
- Sum of all divisors σ(n): 66148669860
- Sum of proper divisors (its aliquot sum) s(n): 45140455284
- 21008214576 is an abundant number, because the sum of its proper divisors (45140455284) is greater than itself. Its abundance is 24132240708
Bases of 21008214576
- Binary: 100111001000010111111101010001100002
- Hexadecimal: 0x4E42FEA30
- Base-36: 9NFQY40
Squares and roots of 21008214576
- 21008214576 squared (210082145762) is 441345079671258859776
- 21008214576 cubed (210082145763) is 9271872135795621666215303294976
-
The
square root of 21008214576 is 144942.1076706145 -
The
cube root of 21008214576 is 2759.2838658713
Scales and comparisons
How big is 21008214576?- 21,008,214,576 seconds is equal to 667 years, 51 weeks, 5 days, 15 hours, 9 minutes, 36 seconds.
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To count from 1 to 21,008,214,576 would take you about one thousand, three hundred thirty-five years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 21008214576 cubic inches would be around 229.9 feet tall.
Recreational maths with 21008214576
- 21008214576 backwards is 67541280012
- 21008214576 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21008214576's digits is 36
- More coming soon!
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